Decorate is defined as to change or add something to make it more beautiful, or to give a medal to someone.
(verb)See decorate in Webster's New World College Dictionary
transitive verb decorated, decorating
Origin: < L decoratus, pp. of decorare, to decorate < decus, an ornament < IE base *de, to receive, be suitable > decent
See decorate in American Heritage Dictionary 4
transitive verb dec·o·rat·ed, dec·o·rat·ing, dec·o·rates
Origin:
Origin: From Middle English decorat, made beautiful
Origin: , from Latin decorātus
Origin: , past participle of decorāre, to beautify
Origin: , from decus, decor-, honor, ornament; see dek- in Indo-European roots
.Learn more about decorate